Requests

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- URL Request path fix
- Proxy fix.
- Timeouts fix.

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- Keep-alive support!
- Complete removal of Urllib2
- Complete removal of Poster
- Complete removal of CookieJars
- New ConnectionError raising
- Safe\_mode for error catching
- prefetch parameter for request methods
- OPTION method
- Async pool size throttling
- File uploads send real names
- Vendored in urllib3

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- Digest authentication bugfix (attach query data to path)

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- Response.content = None if there was an invalid response.
- Redirection auth handling.

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- Session Hooks fix.

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- Digest Auth fix.